<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :model="filters" :inline="true">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="warning" v-on:click="getCourses">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="addHandler">新增</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="success" @click="onLineCourse">上线</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="danger" @click="offLineCourse">下线</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="info" @click="uploadResources">上传资源</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表v-loading="listLoading"-->
    <el-table @row-click="rowClick" :cell-style="cellStyle" :data="courses" v-loading="listLoading"
              @selection-change="handleSelectionChange"
              highlight-current-row style="width: 100%;">
      <!--多选框-->
      <el-table-column type="selection" width="55">
      </el-table-column>
      <!--索引值,为什么不用id,id不序号-->
      <el-table-column type="index" width="60">
      </el-table-column>
      <!--其他都设置值,只有一个不设置值就自动适应了-->
      <el-table-column prop="course.name" label="课程名称">
      </el-table-column>
      <!--<el-table-column prop="courseType.name" label="类型">-->
      <!--</el-table-column>-->
      <el-table-column prop="course.gradeName" label="等级">
      </el-table-column>
      <el-table-column prop="course.status" label="状态" :formatter="statusFormatter">
      </el-table-column>
      <el-table-column prop="course.forUser" label="适用人群">
      </el-table-column>
      <!--<el-table-column prop="tenantName" label="所属机构">-->
      <!--</el-table-column>-->
      <el-table-column prop="course.userName" label="创建用户">
      </el-table-column>
      <el-table-column prop="course.startTime" label="开课时间">
      </el-table-column>
      <el-table-column prop="course.endTime" label="结课时间">
      </el-table-column>
      <el-table-column label="操作" width="200">
        <template scope="scope">
          <el-button size="small" @click="edit(scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="del(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" :disabled="this.sels.length===0" @click="delBatch">批量删除</el-button>
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="page"
          :page-sizes="[5, 10, 50, 100, 500, 1000]"
          :page-size="rows"
          layout="total, sizes, prev, pager, next, jumper"
          :total="totalSize"
          style="float:right;">
      </el-pagination>
    </el-col>

    <!--新增界面-->
    <el-dialog title="新增" :visible.sync="addFormVisible" :close-on-click-modal="false">
      <el-form :model="addForm" label-width="80px" ref="addForm">
        <el-form-item label="课程名称" prop="name">
          <el-input v-model="addForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="适用人群" prop="forUser">
          <el-input v-model="addForm.forUser" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="课程等级" prop="gradeId">
          <el-radio-group v-model="addForm.gradeId">
            <el-radio v-for="grade in grades" :label="grade.dicKey">{{ grade.dicValue }}</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="开课日期">
          <el-date-picker
              v-model="addForm.startTime"
              type="date"
              value-format="yyyy-MM-dd"
              size="small"
              placeholder="课程开始日期">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="节课日期">
          <el-date-picker
              v-model="addForm.endTime"
              type="date"
              value-format="yyyy-MM-dd"
              size="small"
              placeholder="课程结束日期">
          </el-date-picker>
        </el-form-item>


        <el-form-item label="收费规则" prop="gradeId">
          <el-radio-group v-model="addForm.chargeId">
            <el-radio @change="changeCharge" v-for="charge in charges" :label="charge.id">{{ charge.name }}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="课程价格" prop="price">
          <el-input :disabled="priceDisabled" v-model="addForm.price" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="课程原价">
          <el-input :disabled="priceDisabled" v-model="addForm.priceOld" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="咨询QQ" prop="qq">
          <el-input v-model="addForm.qq" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="结束时间">
          <el-date-picker
              v-model="addForm.expires"
              type="date"
              value-format="yyyy-MM-dd"
              size="small"
              placeholder="营销结束时间">
          </el-date-picker>
        </el-form-item>


        <el-form-item label="课程类型" prop="coursetTypId">
          <el-cascader
              :props="courseTypeProps"
              v-model="addForm.courseTypeId"
              placeholder="试试搜索：Java"
              :options="courseTypes"
              expand-trigger="hover"
              :show-all-levels="false"
              filterable
              @change="handleChange"
              change-on-select
          ></el-cascader>
        </el-form-item>

        <el-form-item prop="logo" label="课程封面">
          <!--<el-input type="text" v-model="employee.logo" auto-complete="off" placeholder="请输入logo！"></el-input>-->
          <el-upload
              class="upload-demo"
              action="http://localhost:1020/hrm/file/fastdfs/upload"
              :on-preview="handlePreview"
              :on-remove="handleRemove"
              :on-success="handleSuccess"
              :file-list="fileList"
              list-type="picture">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>


        <el-form-item label="课程简介" prop="description">
          <el-input
              type="textarea"
              :rows="2"
              placeholder="请输入内容"
              v-model="addForm.description">
          </el-input>
        </el-form-item>

        <el-form-item label="课程详情" prop="intro">
          <div class="edit_container">
            <quill-editor
                v-model="addForm.intro"
                ref="myQuillEditor"
                class="editer"
                :options="editorOption"
                @ready="onEditorReady($event)">
            </quill-editor>
          </div>
        </el-form-item>


      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="addFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="addSubmit">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
import {quillEditor} from "vue-quill-editor"; //调用编辑器
import "quill/dist/quill.core.css"
import "quill/dist/quill.snow.css"
import "quill/dist/quill.bubble.css"

export default {
  computed: {
    editor() {
      return this.$refs.myQuillEditor.quill
    }
  },
  components: {//使用编辑器
    quillEditor
  },
  data() {
    return {
      row: "",
      sels: [], //存储多选记录
      courseTypeProps: {
        value: "id",
        label: "name"
      },
      priceDisabled: true,
      editorOption: {},//富文本编辑框配置
      grades: [],
      fileList: [],
      charges: [
        {"id": 1, "name": "免费"},
        {"id": 2, "name": "收费"}
      ],
      courseTypes: [],
      addFormVisible: false,
      //images:[xxx.jgp,xxxx,jpg,xxxx.jpg],
      addForm: {
        id: '',
        startTime: '',
        endTime: '',
        expires: '',
        name: '',
        forUser: '',
        gradeId: '',
        courseTypeId: '',
        description: '',
        intro: '',
        chargeId: '',
        price: '',
        priceOld: '',
        qq: '',
        pic: ''
      },
      listLoading: false,
      //查询对象
      filters: {
        keyword: ''
      },
      totalSize: 0,//总记录条数
      page: 1,//当前页,要传递到后台的
      rows: 10, //每页显示多少条
      courses: [], //当前页数据
    }
  },
  methods: {
    //根据状态不同显示不同颜色字体
    cellStyle(row, column, rowIndex, columnIndex) {
      if (row.row.course.status === 0 && row.column.label === "状态") {
        return 'color:red'
      }
    },
    //表格多条数据选中事件
    handleSelectionChange(val) {
      /**
       * val中存放的是所有已选择的行数据集合
       */
      this.sels = [];
      if (val != null && val.length > 0) {
        for (var i = 0; i < val.length; i++) {
          //往sels数组中存值
          this.sels.push(val[i].course.id);
        }
      }
    },
    handleSuccess(response, file, fileList) {
      if (response.success) {
        this.addForm.pic = response.resultObj;
      } else {
        this.$message({
          message: '上传失败!',
          type: 'error'
        });
      }
    },
    handleRemove() {
    },
    handlePreview() {
    },
    //提交新增修改的按钮
    addSubmit() {
      // console.log("this.addForm.courseTypeId=" + this.addForm.courseTypeId);
      //获取用户选择的课程类型ID
      this.addForm.courseTypeId = this.addForm.courseTypeId[this.addForm.courseTypeId.length - 1];
      //获取用户选择的课程等级中文名称，数据库需要存冗余字段
      var gradeName;
      for (var i = 0; i < this.grades.length; i++) {
        var grade = this.grades[i];
        if (grade.dicKey === this.addForm.gradeId) {
          gradeName = grade.dicValue;
          break;
        }
      }
      var param = {
        course: {
          id: this.addForm.id,
          courseTypeId: this.addForm.courseTypeId,
          name: this.addForm.name,
          forUser: this.addForm.forUser,
          gradeId: this.addForm.gradeId,
          gradeName: gradeName,
          // pic:this.addForm.pic,
          pic: "https://hrm0620.oss-cn-chengdu.aliyuncs.com/111.jpg",
          startTime: this.addForm.startTime,
          endTime: this.addForm.endTime
        },
        courseDetail: {
          description: this.addForm.description,
          intro: this.addForm.intro
        },
        courseMarket: {
          charge: this.addForm.chargeId,
          qq: this.addForm.qq,
          price: this.addForm.price,
          priceOld: this.addForm.priceOld,
          expires: this.addForm.expires
        }
      };

      this.$http.post("/course/course/save", param).then(res => {
        var ajaxResult = res.data;
        if (ajaxResult.success) {
          this.$message({
            message: '保存成功!',
            type: 'success'
          });
          this.addFormVisible = false;
          this.getCourses();
        } else {
          this.$message({
            message: '上传失败!',
            type: 'error'
          });
        }
      });
    },
    //获取课程等级
    getGrades() {
      this.$http.get("/system/systemdictionarydetail/listBySn/dj").then(result => {
        this.grades = result.data.data;
      });
    },
    //获取课程类型
    getCourseTypes() {
      this.$http.get("/course/courseType/treeData").then(result => {
        this.courseTypes = result.data.data;
      });
    },
    //编辑操作
    edit(row) {
      this.addFormVisible = true;//显示编辑框
      this.addForm = row.course;

      this.addForm.chargeId = row.courseMarket.charge;
      this.addForm.expires = row.courseMarket.expires;
      this.addForm.qq = row.courseMarket.qq;
      this.addForm.price = row.courseMarket.price;
      this.addForm.priceOld = row.courseMarket.priceOld;

      this.addForm.description = row.courseDetail.description;
      this.addForm.intro = row.courseDetail.intro;
    },
    //批量删除
    delBatch() {
      this.$confirm('确定删除这些数据吗？', '请确认', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        let param = {
          "ids": this.sels
        };
        this.$http.post("/course/course/deleteBatch", param).then(result => {
          if (result.data.success) {
            this.$message({
              type: 'success',
              message: result.data.message
            });
            this.getCourses();
          } else {
            this.$message({
              type: 'error',
              message: result.data.message
            });
          }
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消操作'
        });
      });
    },
    //删除单条数据
    del(row) {
      this.$confirm('确定删除此条数据吗？', '请确认', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http.delete("/course/course/" + row.course.id).then(result => {
          this.courseTypes = result.data.data;
          if (result.data.success) {
            this.$message({
              type: 'success',
              message: result.data.message
            });
            this.getCourses();
          } else {
            this.$message({
              type: 'error',
              message: result.data.message
            });
          }
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消操作'
        });
      });
    },
    changeCharge() {
      let chargeId = this.addForm.chargeId;
      if (chargeId === 1) {
        //免费
        this.addForm.price = "";
        this.addForm.priceOld = "";
        this.priceDisabled = true;
      } else {
        //收费
        this.priceDisabled = false;
      }
    },
    onEditorReady(editor) {
      //当富文本编辑框初始化好执行
    },
    addHandler() {
      this.addForm = {};
      this.addFormVisible = true;
    },
    //选择第几页时触发
    handleCurrentChange(curentPage) {
      this.page = curentPage;
      this.getCourses();
    },
    //选择每页显示记录条数
    handleSizeChange(curentPage) {
      this.rows = curentPage
      this.getCourses();
    },
    handleChange(value) {
      console.log(this.addForm.courseTypeId);
    },
    //获取分页数据
    getCourses() {
      //发送Ajax请求后台获取数据  axios
      //添加分页条件及高级查询条件
      let para = {
        "page": this.page,
        "rows": this.rows,
        "keyword": this.filters.keyword
      };
      this.listLoading = true; //显示加载圈
      //分页查询
      this.$http.post("/course/course/pagelist", para) //$.Post(.....)
          .then(result => {
            this.totalSize = result.data.data.total;
            this.courses = result.data.data.rows;
            this.listLoading = false;  //关闭加载圈
          });
    },
    //上线
    onLineCourse() {
      //获取选中的行
      if (this.sels.length === 0) {
        this.$message({message: '老铁，你不选中数据，臣妾上不了啊....', type: 'error'});
        return;
      }
      let para = {
        "ids": this.sels
      };
      this.$http.post("/course/course/onLineCourse", para).then(res => {
        var ajaxResult = res.data;
        if (ajaxResult.success) {
          this.$message({message: ajaxResult.data, type: 'success'});
          this.getCourses();
        } else {
          this.$message({message: ajaxResult.message, type: 'error'});
        }
      });
    },
    //下线
    offLineCourse() {
      //获取选中的行
      if (this.sels.length === 0) {
        this.$message({message: '老铁，你不选中数据，臣妾下线不了啊....', type: 'error'});
        return;
      }
      let para = {
        "ids": this.sels
      };
      this.$http.post("/course/course/offLineCourse", para).then(res => {
        var ajaxResult = res.data;
        if (ajaxResult.success) {
          this.$message({message: ajaxResult.message, type: 'success'});
          this.getCourses();
        } else {
          this.$message({message: ajaxResult.message, type: 'error'});
        }
      });
    },
    //单击行事件
    rowClick(row) {
      this.row = row;
    },
    uploadResources() {
    },
    //性别显示转换
    statusFormatter: function (row, column) {
      return row.course.status == 1 ? '已上线' : '未上线';
    },
  },
  mounted() {
    this.getCourses();
    this.getGrades();
    this.getCourseTypes();
  }
}

</script>

<style scoped>

</style>